CN216241065U

CN216241065U - Long-life brake device for wind driven generator

Info

Publication number: CN216241065U
Application number: CN202122900423.7U
Authority: CN
Inventors: 肖水清
Original assignee: Lingnan Normal University
Current assignee: Lingnan Normal University
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-08
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a long-life brake device for a wind driven generator, which comprises a bottom plate, wherein the middle front part of the upper end of the bottom plate is fixedly connected with the bottom of a brake box, the front end and the rear end of the brake box are respectively provided with a front cover and a heat dissipation plate, the middle part of the inner side of the brake box is provided with a fixed seat, and the middle part of the fixed seat is rotatably connected with a brake disc. According to the utility model, the electric telescopic rod drives the speed reducing disc to move backwards, the brake strips gradually enter the brake grooves of the brake disc to gradually reduce the speed of the connecting shaft driven by the fan impeller by one brake, so that the service life of the power generating device is prolonged, the normal operation of the power generating device is also protected, meanwhile, the connecting shaft drives the heat radiating impeller to radiate through the heat radiating holes in the heat radiating plate, the temperature in the brake box can be kept stable while the brake box brakes the connecting shaft, and the problem of device damage caused by overhigh temperature is solved.

Description

Long-life brake device for wind driven generator

Technical Field

The utility model relates to the field of wind power generation, in particular to a long-service-life brake device for a wind driven generator.

Background

Wind power generation is to convert kinetic energy of wind into electric energy, the wind energy is clean and pollution-free and is utilized by people for a long time, water pumping, surface grinding and the like are mainly realized through windmills, people are interested in how to utilize wind to generate electricity, the wind power generation is very environment-friendly, and the wind energy is huge, so that the wind power generation is increasingly paid attention to all countries in the world.

The wind power generation equipment is in an external natural environment, external wind power changes greatly, when the wind speed exceeds a speed, if a speed reduction braking measure is not timely taken on the wind power generator, if the wind power generator exceeds the highest operation rotating speed, the wind power generator is damaged, the working efficiency of the wind power generator is influenced, and if the braking measure is taken, the temperature in a brake box is ensured not to be too high, and a corresponding heat dissipation device is additionally arranged to adapt to the temperature rise of the wind power generator.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a long-service-life brake device for a wind driven generator.

In order to achieve the purpose, the utility model adopts the following technical scheme: a long-life brake device for a wind driven generator comprises a bottom plate, wherein the middle-front part of the upper end of the bottom plate is fixedly connected with the bottom of a brake box, the front end and the rear end of the brake box are respectively provided with a front cover and a heat dissipation plate, the middle part of the inner side of the brake box is provided with a fixed seat, the middle part of the fixed seat is connected with a brake disc in a rotating way, a plurality of brake grooves are arranged in the brake disc at equal intervals, the upper end and the lower end of the middle part of the rear side of the front cover are fixedly connected with the bottom end of a cylinder body of an electric telescopic rod, the top end of a rod body of the electric telescopic rod is respectively fixedly connected with the upper end and the lower end of the middle part of the front side of a speed reduction disc, a plurality of brake strips are arranged at equal intervals at the rear end of the speed reduction disc, a heat dissipation impeller is arranged at the rear end of the inner side of the brake box, a power generation device is fixedly connected with the input end of a connecting shaft, the connecting axle runs through the middle part of heating panel, the middle part of dustproof gauze, the middle part of brake disc, the middle part of speed reduction dish and the middle part of protecgulum and outwards extend in proper order, the middle part and the connecting axle fixed connection of brake disc, heat dissipation impeller's middle part and connecting axle fixed connection, fixedly connected with axle sleeve on the front end of connecting axle.

As a further description of the above technical solution:

the middle rear part of the inner side of the brake box is provided with a dustproof gauze, and the connecting shaft penetrates through the middle part of the dustproof gauze.

As a further description of the above technical solution:

the brake groove and the brake bar are both circular and are in trapezoidal arrangement.

As a further description of the above technical solution:

and the shaft sleeve is provided with a fan impeller.

As a further description of the above technical solution:

the front end of the shaft sleeve is provided with a protective cover.

As a further description of the above technical solution:

and a signal receiver is arranged at the right end of the bottom of the rear side of the front cover.

As a further description of the above technical solution:

the middle part of the lower end of the bottom plate is provided with a connecting column.

The utility model has the following beneficial effects:

1. according to the utility model, the electric telescopic rod drives the speed reducing disc to move backwards, the brake strip gradually enters the brake groove of the brake disc, and the connecting shaft driven by the fan impeller is gradually braked and reduced, so that the normal operation of the power generation device is protected, and other devices of the fan are also protected.

2. In the utility model, heat generated in the brake box for braking can be driven by the connecting shaft to drive the radiating impeller to radiate through the radiating holes in the radiating plate, so that the temperature in the brake box can be kept stable while the brake box brakes the connecting shaft, the problem of damage to a device due to overhigh temperature is avoided, and the safety in the fan is ensured while the fan is braked.

Drawings

FIG. 1 is a side view of a long-life braking device for a wind turbine according to the present invention;

FIG. 2 is an internal structural view of a long-life brake device for a wind turbine according to the present invention;

FIG. 3 is a sectional view of a brake disc of a long-life braking device for a wind turbine according to the present invention;

fig. 4 is a schematic structural diagram of a speed reducing disk of a long-life brake device for a wind driven generator according to the utility model.

Illustration of the drawings:

1. a base plate; 2. connecting columns; 3. a front cover; 4. a protective cover; 5. a fan impeller; 6. a brake box; 7. a heat dissipation plate; 8. a connecting shaft; 9. a power generation device; 10. a heat dissipation impeller; 11. a brake disc; 12. a shaft sleeve; 13. a signal receiver; 14. an electric telescopic rod; 15. a reduction disk; 16. a fixed seat; 17. a dust-proof gauze; 18. a brake groove; 19. a brake strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: a long-life brake device for a wind driven generator comprises a bottom plate 1, wherein the middle front part of the upper end of the bottom plate 1 is fixedly connected with the bottom of a brake box 6, the front end and the rear end of the brake box 6 are respectively provided with a front cover 3 and a heat dissipation plate 7, the middle part of the inner side of the brake box 6 is provided with a fixed seat 16, the middle part and the rotation of the fixed seat 16 are connected with a brake disc 11, a plurality of brake grooves 18 are equidistantly arranged in the brake disc 11, the upper end and the lower end of the middle part of the rear side of the front cover 3 are respectively fixedly connected with the bottom end of a cylinder body of an electric telescopic rod 14, the top end of a rod body of the electric telescopic rod 14 is respectively fixedly connected with the upper end and the lower end of the middle part of the front side of a speed reduction disc 15, a plurality of brake strips 19 are equidistantly arranged at the rear end of the speed reduction disc 15, the rear end of the inner side of the brake box 6 is provided with a heat dissipation impeller 10, the middle rear part of the upper end of the bottom plate 1 is fixedly connected with a power generation device 9, and the input end of a connecting shaft 8 are fixedly connected, the connecting shaft 8 penetrates through the middle of the heat dissipation plate 7, the middle of the dustproof gauze 17, the middle of the brake disc 11, the middle of the speed reduction disc 15 and the middle of the front cover 3 in sequence and extends outwards, the middle of the brake disc 11 is fixedly connected with the connecting shaft 8, the middle of the heat dissipation impeller 10 is fixedly connected with the connecting shaft 8, and the front end of the connecting shaft 8 is fixedly connected with the shaft sleeve 12 and can be connected with other devices through the shaft sleeve 12.

The middle rear part of the inner side of the brake box 6 is provided with a dustproof gauze 17, the connecting shaft 8 penetrates through the middle part of the dustproof gauze 17, the dustproof gauze 17 can protect the interior of the brake device from entering other sundries while dissipating heat, the brake groove 18 and the brake strip 19 are both round and trapezoidal, the purpose of gradual braking can be achieved, the service life of the brake device is prolonged, other devices of wind power generation are protected, the shaft sleeve 12 is provided with a fan impeller 5, the fan impeller 5 can be driven by wind power to rotate, the fan impeller 5 drives the connecting shaft 8 and the power generation device 9 to generate power, the front end of the shaft sleeve 12 is provided with a protective cover 4, the internal device of the shaft sleeve 12 is protected, the right end of the bottom of the rear side of the front cover 3 is provided with a signal receiver 13, the purpose of remote control can be achieved, the middle part of the lower end of the bottom plate 1 is provided with a connecting column 2 which can be connected with the ground through the connecting column 2, so that the fan power generation device 9 is more stable.

The working principle is as follows: at first when wind-force is too big, drive speed reduction dish 15 through electric telescopic handle 14 and carry out backward movement, brake bar 19 gets into the brake groove 18 of brake disc 11 gradually, carry out a brake speed reduction to connecting axle 8 that fan wheel 5 drove, protect power generation facility 9's normal operating, simultaneously, the heat because of producing for the brake braking in the braking case 6 will be driven heat dissipation impeller 10 by connecting axle 8 and distribute away through the louvre on the heating panel 7, guarantee that the braking case 6 also can guarantee the temperature in the braking case 6 when braking connecting axle 8, can not be because of the problem that the device damaged that takes place for the high temperature.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a long-life brake equipment for aerogenerator, includes bottom plate (1), its characterized in that: the brake device is characterized in that the middle-front part of the upper end of the bottom plate (1) is fixedly connected with the bottom of the brake box (6), the front end and the rear end of the brake box (6) are respectively provided with a front cover (3) and a heat dissipation plate (7), the middle part of the inner side of the brake box (6) is provided with a fixing seat (16), the middle part of the fixing seat (16) is connected with a brake disc (11) in a rotating manner, a plurality of brake grooves (18) are arranged in the brake disc (11) at equal intervals, the upper end and the lower end of the middle part of the rear side of the front cover (3) are both fixedly connected with the bottom end of a cylinder body of an electric telescopic rod (14), the top end of a rod body of the electric telescopic rod (14) is respectively fixedly connected with the upper end and the lower end of the middle part of the front side of a speed reduction disc (15), the equal interval of the rear end of the speed reduction disc (15) is provided with a plurality of brake strips (19), the rear end of the inner side of the brake box (6) is provided with a heat dissipation impeller (10), and the middle-rear part of the upper end of the bottom plate (1) is fixedly connected with a power generation device (9), the input of power generation facility (9) and the rear end fixed connection of connecting axle (8), connecting axle (8) run through the middle part of heating panel (7), the middle part of dustproof gauze (17), the middle part of brake disc (11), the middle part of speed reduction dish (15) and the middle part of protecgulum (3) and outwards extend in proper order, the middle part and connecting axle (8) fixed connection of brake disc (11), the middle part and connecting axle (8) fixed connection of heat dissipation impeller (10), fixedly connected with axle sleeve (12) on the front end of connecting axle (8).

2. The long-life brake device for the wind power generator as claimed in claim 1, wherein: the middle rear part of the inner side of the brake box (6) is provided with a dustproof gauze (17), and the connecting shaft (8) penetrates through the middle part of the dustproof gauze (17).

3. The long-life brake device for the wind power generator as claimed in claim 1, wherein: the brake groove (18) and the brake strip (19) are both circular and are both trapezoidal.

4. The long-life brake device for the wind power generator as claimed in claim 1, wherein: and a fan impeller (5) is arranged on the shaft sleeve (12).

5. The long-life brake device for the wind power generator as claimed in claim 1, wherein: the front end of the shaft sleeve (12) is provided with a protective cover (4).

6. The long-life brake device for the wind power generator as claimed in claim 1, wherein: and a signal receiver (13) is arranged at the right end of the bottom of the rear side of the front cover (3).

7. The long-life brake device for the wind power generator as claimed in claim 1, wherein: the middle part of the lower end of the bottom plate (1) is provided with a connecting column (2).